[1] "RT @NancyLeeGrahn: How did everyone feel about the Climate Change question last night? Exactly. #GOPDebate"
[2] "RT @ScottWalker: Didn't catch the full #GOPdebate last night. Here are some of Scott's best lines in 90 seconds. #Walker16 http://t.co/ZSfF…"
[3] "RT @TJMShow: No mention of Tamir Rice and the #GOPDebate was held in Cleveland? Wow."
[4] "RT @RobGeorge: That Carly Fiorina is trending -- hours after HER debate -- above any of the men in just-completed #GOPdebate says she's on …"
[5] "RT @DanScavino: #GOPDebate w/ @realDonaldTrump delivered the highest ratings in the history of presidential debates. #Trump2016 http://t.co…"
[6] "RT @GregAbbott_TX: @TedCruz: \"On my first day I will rescind every illegal executive action taken by Barack Obama.\" #GOPDebate @FoxNews"

Naive Bayes Method

In the naive Bayes method, we just predict the same sentiment probabilities
for all tweets. We learn these probabilities from the training data. We can do this by fitting a multinomial logit model with no covariates: